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What type of fertilization requires a great excess of egg and sperm gametes because most are wasted? external fertilization internal fertilization pollination
Weegy: The ovulated oocyte (egg) is encapsulated by the zona pellucida to protect it. [ The sperm binds to the zone pellucida and undergoes an acrosomal reaction - where hundreds of acrosomes release their enzymes which digests the zona pellucida to prepare for implantation. The sperm then makes contact with the oocytes membrane and binds to the receptors. Once fertilization occurs meiosis 2 occurs and the ovum's nuclei swell (now pronuclei) and approach each other in preparation for cell division. This usually begins in the fallopian tubes and implantation usually occurs in the uterus (although it can happen in the fallopian tubes or ovary causing an ectopic pregnancy). ................. ] (More)
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Asked 1/31/2012 2:42:05 PM
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A social dialect is determined by which of the following factors? (Select all that apply.) geographic location ethnicity age class
Weegy: A social dialect is determined by geographic location. (More)
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Asked 1/31/2012 3:31:08 PM
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Identify the connotation of the italicized words. Her language was refined and precise. positive neutral negative
Weegy: We can not see the italicized words. Please show us the italicized words by putting some markers next to them such as ( ) _ _ or anything so we can help you! (More)
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Asked 1/31/2012 3:41:19 PM
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Identify the connotation of the italicized words. Her language was aloof and distant. positive neutral negative
Weegy: Her language was aloof and distant. For me the answer is B. neutral. (More)
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Asked 1/31/2012 3:39:55 PM
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